var name = 'window'
var person1 = {

	name:'persion1',
	show1:function(){
		console.log(this.name)
	},
	show2:()=>console.log(this.name),
	show3:function(){
		return function() {
			console.log(this.name)
		}
	},
	show4:function(){
		return ()=>console.log(this.name)	
	}
}

var person2 = {name:'person2'}

person1.show1()
person1.show1.call(person2)

person1.show2()
person1.show2.call(person2)

person1.show3()
person1.show3().call(person2)
person1.show3.call(person2)()


person1.show4()
person1.show4().call(person2)
person1.show4.call(person2)()
